200212220121212 has 24 divisors (see below), whose sum is σ = 377328339587472. Its totient is φ = 92404339804800.

The previous prime is 200212220121191. The next prime is 200212220121217. The reversal of 200212220121212 is 212121022212002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212220121217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23352614 + ... + 30753357.

It is an arithmetic number, because the mean of its divisors is an integer number (15722014149478).

Almost surely, 2^{200212220121212} is an apocalyptic number.

It is an amenable number.

200212220121212 is a deficient number, since it is larger than the sum of its proper divisors (177116119466260).

200212220121212 is a wasteful number, since it uses less digits than its factorization.

200212220121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54177149 (or 54177147 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 200212220121212 its reverse (212121022212002), we get a palindrome (412333242333214).

The spelling of 200212220121212 in words is "two hundred trillion, two hundred twelve billion, two hundred twenty million, one hundred twenty-one thousand, two hundred twelve".